Ratings by BofA Securities (Mike Yang)

Date CompanySymbol Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
1/21/2026 United Microelectronics UMC Maintain Underperform
(N/A)
 
 
  Details
11/12/2025 United Microelectronics UMC Downgrade Underperform
(Buy)
7.43
(18.00)
142.26% Details